rockchip: rk3128: add defconfig for evb-rk3128

Enable board config for evb-rk3128.
Serial output and eMMC works in this version.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
1 file changed